Egypt will not be allowed to examine a new mega dam Ethiopia is building on the Nile unless Cairo signs a deal relinquishing its power of veto over allocation of the river's waters, Ethiopian Foreign Minister Hailemariam Desalegn said two days ago.

Asked if Addis Ababa will allow Egypt to reassure itself that the dam will not affect the flow of Nile water, he said, We are ready for negotiations and cooperation at the highest and technical level, but we are a sovereign state.

At a press conference, Hailemariam said "The Cooperative Framework Agreement (signed by upstream countries) gives this option (examination) to all countries, so we have to engage ourselves to get to an agreement where we can work together equally.

He also said that relations between Egypt and Ethiopia have improved since the ouster of ex-president Hosni Mubarak. "There's a new momentum now in Egypt after the revolution, there's desire from all sides that we should engage and close all the past chapters, because there were ups and downs in the past."